live
Down for exactly the people with good ISPs
15% of users say the site is dead. Monitoring says 100% uptime. Both are telling the truth.
The scene
Reported: forum thread: "is sudosecurity down??". Replies split between "works fine" and "dead for me". Screenshots show ERR_CONNECTION_TIMED_OUT, not a 5xx.
- Last Tuesday someone added an AAAA record
2001:db8::10next to the existing A record, "for completeness". curl -4 https://site→ 200 from everywhere.curl -6 https://sitefrom an external v6 host → hangs.- The uptime checker runs from a v4-only network.
- Cloud security group inbound:
443/tcp from 0.0.0.0/0. - Affected users: home fiber and mobile carriers with native IPv6.
Diagnoses — hidden until the incident closes
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